/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Geo/Curves/Curve.h
virtual void FindNotDerivableCoordinates ( const [FLinearBoundary](API\Runtime\CADKernel\CADKernel\Math\FLinearBoundary) & InBoundary, int32 DerivativeOrder, [TArray](API\Runtime\Core\Containers\TArray)< double > & OutNotDerivableCoordinates ) const